Our crinoline is a nine bone, 135 inch hoop slip . A quality medium weight cotton is used to support the cotton twill encasements the house 1/2 inch spring steel connected by double ended steel connectors. The hoop may be used with all bones or for lighter gowns, every other bone may be used. Each bone may be removed and coiled into a circle and placed in a baggie for storage or travel. Waist is secured by a quality draw string. This is a serious hoop. The end connectors put an end to hoops that separate during use. Additional slips may be purchased without the steel so that in the event one slip is wet or soiled simply remove your steel hoops and put them in a fresh slip. Please advise us if you prefer a smaller circumference, example 128 inches. Size is as follows: small fits up to 28 inch waist, finished length 37, medium sits up to 36 inch waist, finished length 39, large fits waist up to 44 +, finished length 42 inches.